Home / 3,639.06-5,021.33-2,222.37

Finding the Fourth Proportional to 3,639.06, 5,021.33 and 2,222.37

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Solution

The fourth proportional to 3,639.06, 5,021.33 and 2,222.37 is: 3,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.06 : 5,021.33 = 2,222.37 : x
  2. Step 2: Convert to fraction form
    3,639.06/5,021.33 = 2,222.37/x
  3. Step 3: Cross multiply
    3,639.06x = 5,021.33 × 2,222.37
  4. Step 4: Simplify right side
    3,639.06x = 11,159,242.04
  5. Step 5: Solve for x
    x = 11,159,242.04/3,639.06
  6. Step 6: Final answer
    x = 3,066.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.